47820686424 has 48 divisors (see below), whose sum is σ = 139070367000. Its totient is φ = 13663052928.

The previous prime is 47820686393. The next prime is 47820686429. The reversal of 47820686424 is 42468602874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47820686429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20330749 + ... + 20333100.

Almost surely, 2^47820686424 is an apocalyptic number.

It is an amenable number.

47820686424 is an abundant number, since it is smaller than the sum of its proper divisors (91249680576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47820686424 is a wasteful number, since it uses less digits than its factorization.

47820686424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40663872 (or 40663861 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 51.

The spelling of 47820686424 in words is "forty-seven billion, eight hundred twenty million, six hundred eighty-six thousand, four hundred twenty-four".